メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.739063975362 35.4348772008568, 136.738954057637 35.4346898152508, 136.738801862321 35.4344433039053, 136.740704493019 35.4340087134729, 136.740741301771 35.4340446505009, 136.741017447203 35.4339877755597, 136.741075954324 35.4341515632418, 136.741150627796 35.4343499837754, 136.739063975362 35.4348772008568)) ^^http://www.opengis.net/ont/geosparql#wktLiteral